David S. McCann

Marsulex, Inc. provides industrial services, primarily environmental compliance solutions for air quality control and industrial hazardous waste streams. The company produces and markets sulphur-based industrial and water treatment chemicals in Western Canada. It operates through its four segments: Industrial Services, Western Markets, Marsulex Environmental Technologies and Corporate Support Segment. The Industrial Services segment provides services, including environmental compliance solutions to oil refiners and other industrial customers in the U.S. and Canada. The Western Markets segment produces and provides sulphur enhanced chemicals to industrial customers and supplies alum. The Marsulex Environmental Technologies segment provides environmental systems and services, primarily air quality compliance, to electric utilities, petrochemical and general industrial customers worldwide. The Corporate Support segment provides centralized services, such as finance, information systems, human resources and risk management to the other segments. The company was founded on June 16, 1989 and is headquartered in Toronto, Canada.

The Carlyle Group LP (Global Private Equity) is a private equity firm founded in the year 1990 by William E. Conway, Jr. and Daniel A. D'Aniello. The firm is headquartered in Washington DC.

MLL Telecom Ltd. provides broadband telecommunication services. It specializes in hybrid microwave radio networks, rural and community networks, public sector solutions, fixed operator services, small cells backhaul, enterprise solutions, project management, network design, site acquisition, network operations management and field maintenance. The company was founded by Godfrey A Wilson in 1991 and is headquartered in Marlow, the United Kingdom.

Founded in 1969, TD Capital, Inc. is the merchant banking and private equity arm of TD Bank Financial Group. The firm is a subsidiary of Toronto Dominion Bank (NYSE: TD). TD Capital manages TD Bank's proprietary merchant banking, mezzanine and private equity investments. They also maintain TD Bank's strategic relationships with Birch Hill Equity Partners (formerly TD Capital Canadian Private Equity Partners), Fairhaven Capital (formerly TD Capital Technology Ventures) and Northleaf Capital Partners (formerly TD Capital Private Equity Investors). TD Capital is headquartered in Toronto, Ontario and has additional offices in New York City and London.

Birch Hill Equity Partners Management, Inc (Birch Hill Equity Partners) is a private equity firm founded in 1994 by Steve J Dent and John B MacIntyre. The firm is headquartered in Toronto, Canada.